diff -r 1460273f40ed -r 5743cbdff669 dialogs/FBDBlockDialog.py --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dialogs/FBDBlockDialog.py Fri Sep 07 16:45:55 2012 +0200 @@ -0,0 +1,275 @@ +#!/usr/bin/env python +# -*- coding: utf-8 -*- + +#This file is part of PLCOpenEditor, a library implementing an IEC 61131-3 editor +#based on the plcopen standard. +# +#Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD +# +#See COPYING file for copyrights details. +# +#This library is free software; you can redistribute it and/or +#modify it under the terms of the GNU General Public +#License as published by the Free Software Foundation; either +#version 2.1 of the License, or (at your option) any later version. +# +#This library is distributed in the hope that it will be useful, +#but WITHOUT ANY WARRANTY; without even the implied warranty of +#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +#General Public License for more details. +# +#You should have received a copy of the GNU General Public +#License along with this library; if not, write to the Free Software +#Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + +import wx + +from graphics import * +from controls.LibraryPanel import LibraryPanel + +#------------------------------------------------------------------------------- +# Create New Block Dialog +#------------------------------------------------------------------------------- + +class FBDBlockDialog(wx.Dialog): + + def __init__(self, parent, controller): + wx.Dialog.__init__(self, parent, + size=wx.Size(600, 450), title=_('Block Properties')) + + main_sizer = wx.FlexGridSizer(cols=1, hgap=0, rows=4, vgap=10) + main_sizer.AddGrowableCol(0) + main_sizer.AddGrowableRow(0) + + column_sizer = wx.BoxSizer(wx.HORIZONTAL) + main_sizer.AddSizer(column_sizer, border=20, + flag=wx.GROW|wx.TOP|wx.LEFT|wx.RIGHT) + + type_staticbox = wx.StaticBox(self, label=_('Type:')) + left_staticboxsizer = wx.StaticBoxSizer(type_staticbox, wx.VERTICAL) + column_sizer.AddSizer(left_staticboxsizer, 1, border=5, + flag=wx.GROW|wx.RIGHT) + + self.LibraryPanel = LibraryPanel(self) + self.LibraryPanel.SetController(controller) + setattr(self.LibraryPanel, "_OnTreeItemSelected", + self.OnLibraryTreeItemSelected) + left_staticboxsizer.AddWindow(self.LibraryPanel, 1, border=5, + flag=wx.GROW|wx.TOP) + + right_gridsizer = wx.FlexGridSizer(cols=1, hgap=0, rows=3, vgap=5) + right_gridsizer.AddGrowableCol(0) + right_gridsizer.AddGrowableRow(2) + column_sizer.AddSizer(right_gridsizer, 1, border=5, + flag=wx.GROW|wx.LEFT) + + top_right_gridsizer = wx.FlexGridSizer(cols=2, hgap=0, rows=4, vgap=5) + top_right_gridsizer.AddGrowableCol(1) + right_gridsizer.AddSizer(top_right_gridsizer, flag=wx.GROW) + + name_label = wx.StaticText(self, label=_('Name:')) + top_right_gridsizer.AddWindow(name_label, + flag=wx.ALIGN_CENTER_VERTICAL) + + self.BlockName = wx.TextCtrl(self) + self.Bind(wx.EVT_TEXT, self.OnNameChanged, self.BlockName) + top_right_gridsizer.AddWindow(self.BlockName, flag=wx.GROW) + + inputs_label = wx.StaticText(self, label=_('Inputs:')) + top_right_gridsizer.AddWindow(inputs_label, + flag=wx.ALIGN_CENTER_VERTICAL) + + self.Inputs = wx.SpinCtrl(self, min=2, max=20, + style=wx.SP_ARROW_KEYS) + self.Bind(wx.EVT_SPINCTRL, self.OnInputsChanged, self.Inputs) + top_right_gridsizer.AddWindow(self.Inputs, flag=wx.GROW) + + execution_order_label = wx.StaticText(self, label=_('Execution Order:')) + top_right_gridsizer.AddWindow(execution_order_label, + flag=wx.ALIGN_CENTER_VERTICAL) + + self.ExecutionOrder = wx.SpinCtrl(self, min=0, style=wx.SP_ARROW_KEYS) + self.Bind(wx.EVT_SPINCTRL, self.OnExecutionOrderChanged, self.ExecutionOrder) + top_right_gridsizer.AddWindow(self.ExecutionOrder, flag=wx.GROW) + + execution_control_label = wx.StaticText(self, label=_('Execution Control:')) + top_right_gridsizer.AddWindow(execution_control_label, + flag=wx.ALIGN_CENTER_VERTICAL) + + self.ExecutionControl = wx.CheckBox(self) + self.Bind(wx.EVT_CHECKBOX, self.OnExecutionOrderChanged, self.ExecutionControl) + top_right_gridsizer.AddWindow(self.ExecutionControl, flag=wx.GROW) + + preview_label = wx.StaticText(self, label=_('Preview:')) + right_gridsizer.AddWindow(preview_label, flag=wx.GROW) + + self.Preview = wx.Panel(self, + style=wx.TAB_TRAVERSAL|wx.SIMPLE_BORDER) + self.Preview.SetBackgroundColour(wx.Colour(255,255,255)) + setattr(self.Preview, "GetDrawingMode", lambda:FREEDRAWING_MODE) + setattr(self.Preview, "GetScaling", lambda:None) + setattr(self.Preview, "GetBlockType", controller.GetBlockType) + setattr(self.Preview, "IsOfType", controller.IsOfType) + self.Preview.Bind(wx.EVT_PAINT, self.OnPaint) + right_gridsizer.AddWindow(self.Preview, flag=wx.GROW) + + button_sizer = self.CreateButtonSizer(wx.OK|wx.CANCEL|wx.CENTRE) + self.Bind(wx.EVT_BUTTON, self.OnOK, button_sizer.GetAffirmativeButton()) + main_sizer.AddSizer(button_sizer, border=20, + flag=wx.ALIGN_RIGHT|wx.BOTTOM|wx.LEFT|wx.RIGHT) + + self.SetSizer(main_sizer) + + self.Controller = controller + + self.BlockName.SetValue("") + self.BlockName.Enable(False) + self.Inputs.Enable(False) + self.Block = None + self.MinBlockSize = None + self.First = True + + self.PouNames = [] + self.PouElementNames = [] + + self.LibraryPanel.SetFocus() + + def __del__(self): + self.Controller = None + + def SetBlockList(self, blocklist): + self.LibraryPanel.SetBlockList(blocklist) + + def SetPreviewFont(self, font): + self.Preview.SetFont(font) + + def OnOK(self, event): + message = None + selected = self.LibraryPanel.GetSelectedBlock() + block_name = self.BlockName.GetValue() + name_enabled = self.BlockName.IsEnabled() + if selected is None: + message = _("Form isn't complete. Valid block type must be selected!") + elif name_enabled and block_name == "": + message = _("Form isn't complete. Name must be filled!") + elif name_enabled and not TestIdentifier(block_name): + message = _("\"%s\" is not a valid identifier!") % block_name + elif name_enabled and block_name.upper() in IEC_KEYWORDS: + message = _("\"%s\" is a keyword. It can't be used!") % block_name + elif name_enabled and block_name.upper() in self.PouNames: + message = _("\"%s\" pou already exists!") % block_name + elif name_enabled and block_name.upper() in self.PouElementNames: + message = _("\"%s\" element for this pou already exists!") % block_name + if message is not None: + dialog = wx.MessageDialog(self, message, _("Error"), wx.OK|wx.ICON_ERROR) + dialog.ShowModal() + dialog.Destroy() + else: + self.EndModal(wx.ID_OK) + + def SetMinBlockSize(self, size): + self.MinBlockSize = size + + def SetPouNames(self, pou_names): + self.PouNames = [pou_name.upper() for pou_name in pou_names] + + def SetPouElementNames(self, element_names): + self.PouElementNames = [element_name.upper() for element_name in element_names] + + def SetValues(self, values): + blocktype = values.get("type", None) + if blocktype is not None: + self.LibraryPanel.SelectTreeItem(blocktype, values.get("inputs", None)) + for name, value in values.items(): + if name == "name": + self.BlockName.SetValue(value) + elif name == "extension": + self.Inputs.SetValue(value) + elif name == "executionOrder": + self.ExecutionOrder.SetValue(value) + elif name == "executionControl": + self.ExecutionControl.SetValue(value) + self.RefreshPreview() + + def GetValues(self): + values = self.LibraryPanel.GetSelectedBlock() + if self.BlockName.IsEnabled() and self.BlockName.GetValue() != "": + values["name"] = self.BlockName.GetValue() + values["width"], values["height"] = self.Block.GetSize() + values["extension"] = self.Inputs.GetValue() + values["executionOrder"] = self.ExecutionOrder.GetValue() + values["executionControl"] = self.ExecutionControl.GetValue() + return values + + def OnLibraryTreeItemSelected(self, event): + values = self.LibraryPanel.GetSelectedBlock() + if values is not None: + blocktype = self.Controller.GetBlockType(values["type"], values["inputs"]) + else: + blocktype = None + if blocktype is not None: + self.Inputs.SetValue(len(blocktype["inputs"])) + self.Inputs.Enable(blocktype["extensible"]) + self.BlockName.Enable(blocktype["type"] != "function") + wx.CallAfter(self.RefreshPreview) + else: + self.BlockName.Enable(False) + self.Inputs.Enable(False) + self.Inputs.SetValue(2) + wx.CallAfter(self.ErasePreview) + + def OnNameChanged(self, event): + if self.BlockName.IsEnabled(): + self.RefreshPreview() + event.Skip() + + def OnInputsChanged(self, event): + if self.Inputs.IsEnabled(): + self.RefreshPreview() + event.Skip() + + def OnExecutionOrderChanged(self, event): + self.RefreshPreview() + event.Skip() + + def OnExecutionControlChanged(self, event): + self.RefreshPreview() + event.Skip() + + def ErasePreview(self): + dc = wx.ClientDC(self.Preview) + dc.Clear() + self.Block = None + + def RefreshPreview(self): + dc = wx.ClientDC(self.Preview) + dc.SetFont(self.Preview.GetFont()) + dc.Clear() + values = self.LibraryPanel.GetSelectedBlock() + if values is not None: + if self.BlockName.IsEnabled(): + blockname = self.BlockName.GetValue() + else: + blockname = "" + self.Block = FBD_Block(self.Preview, values["type"], + blockname, + extension = self.Inputs.GetValue(), + inputs = values["inputs"], + executionControl = self.ExecutionControl.GetValue(), + executionOrder = self.ExecutionOrder.GetValue()) + width, height = self.MinBlockSize + min_width, min_height = self.Block.GetMinSize() + width, height = max(min_width, width), max(min_height, height) + self.Block.SetSize(width, height) + clientsize = self.Preview.GetClientSize() + x = (clientsize.width - width) / 2 + y = (clientsize.height - height) / 2 + self.Block.SetPosition(x, y) + self.Block.Draw(dc) + else: + self.Block = None + + def OnPaint(self, event): + if self.Block is not None: + self.RefreshPreview() + event.Skip()